Lexus NX: Diagnostic Trouble Code Chart
Lexus NX Service Manual / Power Source & Network / Networking / Lin Communication System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
LIN Communication System| DTC No. | Detection Item | Link |
|---|---|---|
| B1206 | P/W Master Switch Communication Stop | |
| B1273 | Sliding Roof ECU Communication Stop | |
| B2321 | Driver Side Door ECU Communication Stop | |
| B2322 | Front Passenger Side Door ECU Communication Stop | |
| B2323 | Rear Door RH ECU Communication Stop | |
| B2324 | Rear Door LH ECU Communication Stop | |
| B2325 | LIN Communication Bus Malfunction | |
| B2785 | Communication Malfunction between ECUs Connected by LIN | |
| B2786 | No Response from Steering Lock ECU | |
| B2789 | No Response from ID BOX | |
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P/W Master Switch Communication Stop (B1206)
DESCRIPTION This DTC is stored when LIN communication between the multiplex network master switch assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Det
Sliding Roof ECU Communication Stop (B1273)
DESCRIPTION This DTC is stored when LIN communication between the sliding roof drive gear sub-assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Detecti
Driver Side Door ECU Communication Stop (B2321)
DESCRIPTION This DTC is stored when LIN communication between the front power window regulator motor assembly LH and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No.
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Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Parking Assist Monitor System *B w/ Panoramic View Monitor System *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.1 FUSE - ECU-B NO.5 FUSE *2 NO. 1 ENGINE ROOM RELAY BLOCK - AMP FUSE - RADIO FUSE - METER NO.1 FUSE
Vehicle Speed Signal (C1541)
DESCRIPTION The power steering ECU assembly receives vehicle speed signals from the skid control ECU via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed based on the signals. DTC No. Detection Item DTC Detection Condition Trouble Area W
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